2005-10 Ford Mustang 4.6L Flowmaster Off Road X-Pipe Stainless Steel GT - S197 by Flowmaster

Mustang Flowmaster Off Road X-Pipe Stainless Steel (05-10) 4.6L

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  • 2005-2010 Mustang 4.6L GT Off Road X-Pipe
Mustang Flowmaster Off Road X-Pipe Stainless Steel (05-10) 4.6L

Increase horsepower & get a louder exhaust on your S197 with a 2005-2010 GT Mustang Off-Road X-Pipe.

Item #FLO-81066

Price: $356.70

Additional Discounts Available in Cart!

In Stock
Only 1 available! Once they're gone, they're GONE!

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  • More Horsepower
  • Louder Exhaust


  • Direct Bolt On
  • 2.5" Mandrel Bent
  • Stainless Steel Construction

What's in the Box

  • (1) X-Pipe
  • (6) Clamps

Made in the USA

Product Description

More Performance!
This Flowmaster 2005-2010 GT Mustang Off-Road X-Pipe is made of 2.5" mandrel bent stainless steel tubing to flow more exhaust. Featuring no catalytic converters, this x-pipe maximizes the power of your 4.6L 3v motor by getting your exhaust out quicker which increases horsepower.

Great Exhaust Sound!
By eliminating the catalytic converters from your exhaust system, this x-pipe can give your S197 that unmistakable american muscle car roar! Pair it up with our many cat-back or axle back exhaust kits for the perfect sound on your Mustang.

High Quality Construction!
This midpipe is made of 2.5" 409 stainless steel and is mandrel bent to give you the best construction available. Directly bolting up to your factory catback, this x-pipe can be installed quickly and easily. Installation instructions and hardware included.

* * *Covered By Limited Lifetime Warranty* * *

It is recommended that you buy an SVE tune to turn off the rear O2 sensors to prevent a check engine light.

Product Videos

Mustang Flowmaster Exhaust Systems Review

Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. The best place to go for anything Mustang related!


Community Q&A

Product Reviews

Vehicle Applications

Ford Mustang - 2005 (05) - 2006 (06) - 2007 (07) - 2008 (08) - 2009 (09) - 2010 (10)

About This Brand

Flowmaster - The Exhaust Technology Company
Flowmaster operates the only exhaust Research & Design facilities of its kind in the world, centered around the SuperFlow SF-7100 engine dynamometer complete with E.C.A. (engine cycle analysis) equipment and also SuperFlow chassis dyno's.

Through use of these dyno's, Flowmaster's engineering staff can track the complete engine cycle in millionths of a second and can obtain exact technical data of each degree of cam rotation, from induction to the tip of the exhaust system, while also showing the power numbers that really matter, the power numbers "to the ground."

Flowmaster also utilizes Spectrum Analyzers to fine "tune" the sound of each of the eleven different series of mufflers that Flowmaster currently offers, both for peak performance and just the right sound levels and tones. Flowmaster's dedication to quality is what makes them the exhaust industry leader for Latemodel Mustangs and SVT Lightnings!

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